You need to use Commons Logging to develop a system that works under various logging frameworks, including Sun's logging framework and Apache Log4J.
To use Commons Logging 1.0.4 in a Maven 2 project, add the
following dependency to your project's
pom.xml
:
Example 7.7. Adding a Dependency on Commons Logging
<dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.0.4</version> </dependency>
If you are not sure what this means, I'd suggest reading Maven: The Definitive
Guide. When you depend on a library in Maven 2, all you need to
do is add the dependency groupId
,
artifactId
, and version
to your
project's dependencies. Once you do this, Maven 2 will download the
dependency and make it available on your project's classpath.
Commons Logging was created for developers who need to create
components or libraries that may need to operate in environments with
different logging frameworks, including Apache Log4J and the built-in
logging framework introduced in Java 1.4. Using Commons Logging, a
component like Commons BeanUtils or Commons Digester can write log
messages to an abstracted Log
interface, and Commons Logging can deal with passing these log messages
to whichever logging framework is available.
For more information about Commons Logging, see the Commons Logging project site (http://commons.apache.org/logging).